shaking on very hot day when try moving
car is audi a4 b5 1.9tdi afn, when it's outside ~20 celcius car is runing great, but when it's 30 or more and motor gets hoter ~92 celcius, when i try to move on traffic light car starts shaking, but only when i try to move and free clutch, when i going and want to turn second gear car runing great as normal, the problem occur only when i stop again on trafic light and try to start moving. in winter, or in colder weather there is no this problem..
I'm waiting for your advice








